021-890

This high-limit temperature switch is a vital safety component for HVAC systems and heating equipment. Designed as a DPDT (Double Pole Double Throw) fan disc control, this switch monitors the internal temperature of your appliance to prevent hazardous overheating. If the system reaches a critical temperature threshold, the switch automatically breaks or transfers the electrical circuit to shut down the heating element or activate a cooling fan. Engineered for durability and precision, this thermal limit control ensures your furnace or air handler operates within safe parameters, protecting sensitive components from heat damage. It is an essential replacement part for maintaining the safety and efficiency of residential and commercial climate control systems.
Type: High Limit Temperature Switch
Size: Compact
Application: Commonly utilized in furnaces, air handlers, and commercial heating units to provide thermal protection and fan control.
Specifications: DPDT (Double Pole Double Throw) contact configuration, bimetal fan disc actuation, high-limit safety cutout functionality.